Public Version
UART/IrDA/CIR Register Manual
www.ti.com
Bits
Field Name
Description
Type
Reset
0x7:
9 600 baud
0x8:
4 800 baud
0x9:
4 800 baud
0xA:
1 200 baud
Table 19-102. Register Call Summary for Register UASR_REG
UART/IrDA/CIR Functional Description
•
•
UART/IrDA (SIR, MIR, FIR)/CIR Mode Selection
•
UART/IrDA/CIR Register Manual
•
UART/IrDA/CIR Register Summary
Table 19-103. ACREG_REG
Address Offset
0x03C
Physical Address
See
to
Description
Auxiliary control register
IrDA-CIR mode only
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
EOT_EN
SD_MOD
SCTX_EN
SEND_SIP
DIS_IR_RX
ABORT_EN
PULSE_TYPE
DIS_TX_UNDERRUN
Bits
Field Name
Description
Type
Reset
31:8
Reserved
Read returns 0.
R
0x00
7
PULSE_TYPE
SIR pulse-width select:
RW
0
0x0:
3/16 of baud-rate pulse width
0x1:
1.6 µs
6
SD_MOD
Primary output used to configure transceivers. Connected to
RW
0
the SD/MODE input pin of IrDA transceivers.
0x0:
SD pin is set to high.
0x1:
SD pin is set to low.
5
DIS_IR_RX
RW
0
0x0:
Normal operation (RX input automatically disabled
during transmit, but enabled outside of transmit
operation).
0x1:
Disables RX input (permanent state; independent
of transmit)
4
DIS_TX_
RW
0
UNDERRUN
0x0:
Long stop bits cannot be transmitted. TX underrun
is enabled.
0x1:
Long stop bits can be transmitted. TX underrun is
disabled.
3
SEND_SIP
MIR/FIR modes only. Send serial infrared interaction pulse
RW
0
(SIP).
2962
UART/IrDA/CIR
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated